.title{
    text-align: center;
}
body{
    position: relative;
}
.content{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate3d(-50%,0,0);
    margin-top: 10%;
}
.item{
    display: table;
    div{
        text-align: center;
        width: 30%;
        display: table-cell;
        vertical-align: middle;
    }
    &:nth-child(2){
        margin-top: 5%;
    }
}
.item-login{

    width: 100%;
    text-align: center;
    margin-top: 10%;
    button{
        width: 100%;
    }
}